Datasheet > AK9234

AK9234

更新时间： 2024-09-25 01:11:11

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
2页	154K
描述
Dual 18/16/14-Bit 1.1MSPS ZDS A/D Converter

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中文翻译

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数据手册

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AK9234 数据手册

[AK9232/33/34]

= Preliminary =

AK9232/33/34

Dual 18/16/14-Bit 1.1MSPS ZDS A/D Converter

General Description

The AK9232/33/34 are 18/16/14-bit 1.1MSPS ZDS* A/D converters. A polar coordinate calculation

function is also integrated, and it reduces the load of DSP or microcomputer. The AK9232/33/34 are

housed in a space-saving 24-pin QFN package.

* ZDS: Zero latency Delta Sigma

A ZDS A/D converter realizes ultrafast response of SAR with maintaining high accuracy conversion like a

delta-sigma converter, based on AKM’s accumulated experience and know-how in analog-digital LSI

technology. It contributes to improve the speed and the accuracy of negative feedback system.

A ZDS A/D converter can achieve small and high accurate motor systems.

Features

 Simultaneous Sampling 18/16/14-bit ZDS A/D Converter

 Sampling Rate: 1.1MSPS

 Differential Inputs

 S/N:

88 dBFS(Typ.)

87 dBFS(Typ.)

84 dBFS(Typ.)

INL: ±2LSB (Typ.) @Vin=-6dBFS

INL: ±1LSB (Typ.) @Vin=-6dBFS

at 20kHz Input

(AK9232)

(AK9233)

(AK9234)

(AK9232)

(AK9233)

 18bit No Missing Code,

16bit No Missing Code,

14bit No Missing Code,

INL: ±0.5LSB (Typ.) @Vin=-6dBFS (AK9234)

 Polar coordinate calculation function

 Offset/Gain adjustment function

 Power Consumption:100mW/ch (fs= 1.1MSPS, VDD=1.8V, HVDD=5V,DRVDD=3V)

 Power Supply:

VDD : 1.7 ~ 2.0V

HVDD: 4.75 ~ 5.25V

DRVDD: 2.7 ~ 5.25V

 Operational Temperature Range (Ta): -40 ~ 105ºC

 Small Package: 24-pin QFN (4mm x 4mm)

Figure 1. Block Diagram

Rev. 0.5

2015/7

中文翻译

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